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參數(shù)資料
| 型號： | MAX1566-MAX1567 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Six-Channel, High-Efficiency, Digital Camera Power Supplies |
| 中文描述： | 六通道，高效率，數(shù)碼相機(jī)電源 |
| 文件頁數(shù)： | 1/35頁 |
| 文件大小： | 1134K |
| 代理商： | MAX1566-MAX1567 |
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General Description
The MAX1566/MAX1567 provide a complete power-
supply solution for digital cameras. They improve perfor-
mance, component count, and size compared to con-
ventional multichannel controllers in 2-cell AA,
1-cell lithium-ion (Li+), and dual-battery designs. On-chip
MOSFETs provide up to 95% efficiency for critical power
supplies, while additional channels operate with external
FETs for optimum design flexibility. This optimizes overall
efficiency and cost, while also reducing board space.
The MAX1566/MAX1567 include six high-efficiency DC-
to-DC conversion channels:
Step-up DC-to-DC converter with on-chip power FETs
Main DC-to-DC converter with on-chip FETs, config-
urable to step
either
up or down
Step-down core DC-to-DC converter with on-chip
FETs
DC-to-DC controller for white LEDs or other output
Extra DC-to-DC controller (typically for LCD); two
extra controllers on the MAX1566
Transformerless inverting DC-to-DC controller (typi-
cally for negative CCD bias) on the MAX1567
All DC-to-DC channels operate at one fixed frequency
settable from 100kHz to 1MHz to optimize size, cost, and
efficiency. Other features include soft-start, power-OK
outputs, and overload protection. The MAX1566/
MAX1567 are available in space-saving 40-pin thin QFN
packages. An evaluation kit is available to expedite
designs.
Applications
Digital Cameras
PDAs
Features
95% Efficient Step-Up DC-to-DC Converter
0.7V Minimum Input Voltage
Main DC-to-DC Configurable as Either Step-Up or
Step-Down
Combine Step-Up and Step-Down for 90%
Efficient Boost-Buck
95% Efficient Step-Down for DSP Core
Regulate LED Current for Four, Six, or More LEDs
Open LED Overvoltage Protection
Transformerless Inverting Controller (MAX1567)
Three Extra PWM Controllers (Two on the
MAX1567)
Up to 1MHz Operating Frequency
1μA Shutdown Mode
Soft-Start and Overload Protection
Compact 40-Pin 6mm x 6mm Thin QFN Package
Ordering Information
M
Six-Channel, High-Efficiency, Digital
Camera Power Supplies
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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40
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F
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26
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CCSD
C
O
MAX1566/MAX1567
TOP VIEW
F
C
P
D
D
D
G
I
F
S
O
C
R
O
F
S
CC2
ON2
PVM
LXM
PGM
PVSU
LXSU
PGSU
OSC
FBSD
ONSD
PVSD
LXSD
PGSD
ON1
FB1
CC1
FB3H
A
SDOK
6mm x 6mm
THIN QFN
Pin Configuration
19-2882; Rev 1; 4/04
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
AUX2
FUNCTION
Step-up
controller
Inverting
controller
MAX1566
ETL
-40
°
C to +85
°
C
40 Thin QFN
6mm x 6mm
MAX1567
ETL
-40
°
C to +85
°
C
40 Thin QFN
6mm x 6mm
Li+ OR 2AA
BATTERY INPUT
SYSTEM 5V
3.3V LOGIC
1.8V CORE
LEDS
CCD/LCD + 15V
CCD - 7.5V
STEP-UP
MAIN DC-TO-DC
STEP-DN
AUX3
AUX1
AUX2
ONSU
ONM
ONSD
ON3(LED)
ON1
ON2
MAX1567
Typical Operating Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX156ACNG | 8-/4-Channel ADCs with Simultaneous T/Hs and Reference |
| MAX156BCNG | 8-/4-Channel ADCs with Simultaneous T/Hs and Reference |
| MAX156BENG | 8-/4-Channel ADCs with Simultaneous T/Hs and Reference |
| MAX155AEPI | 8-/4-Channel ADCs with Simultaneous T/Hs and Reference |
| MAX155BEPI | CONN HEADER 2POS R/A W/CLIP SMD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1567ETL | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL+ | 功能描述:PMIC 解決方案 6Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL+T | 功能描述:PMIC 解決方案 6Ch Digital Camera Power Supply RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567ETL-T | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX1567EVKIT | 制造商:Maxim Integrated Products 功能描述:6-CHANNEL HIGH EFFICIENCY DIGITAL CAMERA POWE - Bulk |
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